<?php

class ProductCategoryController extends Controller
{
	/**
	 * @var string the default layout for the views. Defaults to '//layouts/column2', meaning
	 * using two-column layout. See 'protected/views/layouts/column2.php'.
	 */
	public $layout='//layouts/column2';

	/**
	 * @return array action filters
	 */
	public function filters()
	{
		return array(
			'accessControl', // perform access control for CRUD operations
		);
	}

	/**
	 * Specifies the access control rules.
	 * This method is used by the 'accessControl' filter.
	 * @return array access control rules
	 */
	public function accessRules()
	{
		return array(
			array('allow',  // allow all users to perform 'index' and 'view' actions
				'actions'=>array('index','view'),
				'users'=>array('*'),
			),
			array('allow', // allow authenticated user to perform 'create' and 'update' actions
				'actions'=>array('create','update'),
				'users'=>array('@'),
			),
			array('allow', // allow admin user to perform 'admin' and 'delete' actions
				'actions'=>array('admin','delete'),
				'users'=>array('admin'),
			),
			array('deny',  // deny all users
				'users'=>array('*'),
			),
		);
	}

	/**
	 * Displays a particular model.
	 * @param integer $id the ID of the model to be displayed
	 */
	public function actionView($id)
	{
        $model = $this->loadModel($id);
        $list = ProductCategory::model()->findAll(array('condition'=>'parent_id='.$model->id));
        if(count($list) == 1) {
            $this->redirect(array('view','id'=>$list[0]->id));
            Yii::app()->end();
        }
		$this->render('view',array(
			'model'=>$this->loadModel($id),
		));
	}

	/**
	 * Creates a new model.
	 * If creation is successful, the browser will be redirected to the 'view' page.
	 */
	public function actionCreate()
	{
		$model=new ProductCategory;

		// Uncomment the following line if AJAX validation is needed
		// $this->performAjaxValidation($model);

		if(isset($_POST['ProductCategory']))
		{
			$model->attributes=$_POST['ProductCategory'];
			if($model->save())
				$this->redirect(array('view','id'=>$model->id));
		}

		$this->render('create',array(
			'model'=>$model,
		));
	}

	/**
	 * Updates a particular model.
	 * If update is successful, the browser will be redirected to the 'view' page.
	 * @param integer $id the ID of the model to be updated
	 */
	public function actionUpdate($id)
	{
		$model=$this->loadModel($id);

		// Uncomment the following line if AJAX validation is needed
		// $this->performAjaxValidation($model);

		if(isset($_POST['ProductCategory']))
		{
			$model->attributes=$_POST['ProductCategory'];
			if($model->save())
				$this->redirect(array('view','id'=>$model->id));
		}

		$this->render('update',array(
			'model'=>$model,
		));
	}

	/**
	 * Deletes a particular model.
	 * If deletion is successful, the browser will be redirected to the 'admin' page.
	 * @param integer $id the ID of the model to be deleted
	 */
	public function actionDelete($id)
	{
		if(Yii::app()->request->isPostRequest)
		{
			// we only allow deletion via POST request
			$this->loadModel($id)->delete();

			// if AJAX request (triggered by deletion via admin grid view), we should not redirect the browser
			if(!isset($_GET['ajax']))
				$this->redirect(isset($_POST['returnUrl']) ? $_POST['returnUrl'] : array('admin'));
		}
		else
			throw new CHttpException(400,'Invalid request. Please do not repeat this request again.');
	}

	/**
	 * Lists all models.
	 */
	public function actionIndex($id)
	{
		
		if(Yii::app()->language == 'en') {
			
		}
		
		$model = $this->loadModel($id);
		$list = ProductCategory::model()->findAll(array('condition'=>'parent_id='.$model->id, 'order'=>'id asc'));
		if(empty($list)) {
			$this->render('view', array('model'=>$model));
			return;
		}
		
		$all = array();
		$cats = array(-999999);
		$catses = array();
		foreach($list as $it) {
			$cats[] = $it->id;
			$catses[$it->id] = $it;
			$all[$it->id] = array();
		}
		
		$cat_ids = join(",", $cats);
		
		$categories = ProductCategory::model()->findAll(array('condition'=>"parent_id in ({$cat_ids})"));
		
		if(empty($categories)) {
		
			$products = Product::model()->findAll(array('condition'=>"category_id in ({$cat_ids})", 'order'=>'date desc'));
			
			foreach($products as $product) {
				$all[$product->category_id][] = $product;
			}
			
//			$sort = array();
//			foreach($all as $k=>$v) {
//				$sort[] = count($v) . '|' . $k;
//			}
//			
//			sort($sort);
//			$list = array();
//			foreach(array_reverse($sort) as $it) {
//				list($cnt, $id) = explode("|", $it);
//				$list[] = $catses[$id];
//			}
			
			$this->render('index',array(
					'model' => $model,
					'categories' => $list,
					'products'=> $all,
			));
		} else {			
			
			foreach($categories as $category) {
				$all[$category->parent_id][] = $category;
			}
			
			$this->render('category',array(
					'model' => $model,
					'categories' => $list,
					'sub_categories'=> $all,
			));
			
		}
	}

	/**
	 * Manages all models.
	 */
	public function actionAdmin()
	{
		$model=new ProductCategory('search');
		$model->unsetAttributes();  // clear any default values
		if(isset($_GET['ProductCategory']))
			$model->attributes=$_GET['ProductCategory'];

		$this->render('admin',array(
			'model'=>$model,
		));
	}

	/**
	 * Returns the data model based on the primary key given in the GET variable.
	 * If the data model is not found, an HTTP exception will be raised.
	 * @param integer the ID of the model to be loaded
	 */
	public function loadModel($id)
	{
		$model=ProductCategory::model()->findByPk($id);
		if($model===null)
			throw new CHttpException(404,'The requested page does not exist.');
		return $model;
	}

	/**
	 * Performs the AJAX validation.
	 * @param CModel the model to be validated
	 */
	protected function performAjaxValidation($model)
	{
		if(isset($_POST['ajax']) && $_POST['ajax']==='product-category-form')
		{
			echo CActiveForm::validate($model);
			Yii::app()->end();
		}
	}
}
